21293226

素因数分解:

$2^1\times 3^3\times {\mathrm{394319}}^1$

素因数の和:394330

約数の個数: 16

約数和(自身を含む): 47318400

約数和(自身を除く): 26025174

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 394319, 788638, 1182957, 2365914, 3548871, 7097742, 10646613, 21293226]

約数ペア:

[(1, 21293226), (2, 10646613), (3, 7097742), (6, 3548871), (9, 2365914), (18, 1182957), (27, 788638), (54, 394319)]